Riveting device

Abstract

The utility model discloses a riveting device, which relates to the technical field of riveting assembly, and comprises a rotary driving piece, a shell, a sliding block and two pressing strips, the output shaft of the rotary driving piece is provided with an eccentric shaft, the sliding block is arranged in the shell, the sliding block is provided with an eccentric wheel, and the pressing strips are arranged on the eccentric wheel. The output shaft penetrates through the shell to enable the eccentric shaft to be connected to the eccentric wheel in an inserted mode, the sliding block is provided with two protruding sliding rails, the two protruding sliding rails are gradually separated from each other from bottom to top, the two pressing strips are each provided with an inwards-concave sliding groove, the two inwards-concave sliding grooves are gradually separated from each other from bottom to top, and the two pressing strips are arranged on the shell. The two protruding sliding rails are sleeved with the two inwards-concave sliding grooves respectively, the shell is provided with an upper limiting strip and a lower limiting strip, and the two pressing strips are arranged between the upper limiting strip and the lower limiting strip. According to the utility model, a horizontal riveting mode is adopted, so that the force control is more flexible, and the riveting qualification rate of the aluminum alloy hollow pipe is high.

Description

Technical Field

[0001] The utility model relates to the technical field of riveting and pressing assembly, and specifically relates to a riveting and pressing device. Background Art

[0002] Aluminum alloy parts are widely used in various industries. Small aluminum alloy parts are usually connected to other parts by a riveting process.

[0003] Existing riveting and pressing devices usually perform vertical riveting. For an aluminum alloy hollow tube, directly using brute force for vertical riveting easily causes deformation of the aluminum alloy hollow tube. For example, the riveting fixture with the patent number 201710592321.9 discloses a base, a loading mechanism and a riveting and pressing mechanism. The loading mechanism is movably arranged on the base, and the riveting and pressing mechanism is arranged on the base and forms a receiving space for accommodating the loading mechanism at an interval with the base; during the process of the loading mechanism moving along the base, it includes a feeding position and a riveting and pressing position; when the loading mechanism is at the feeding position, the loading mechanism is used to carry a workpiece; when the loading mechanism is at the riveting and pressing position, the loading mechanism moves into the receiving space, and the riveting and pressing mechanism can operably move up and down relative to the loading mechanism to rivet and press the workpiece. The riveting and pressing mechanism of this riveting fixture presses down to vertically rivet and form the workpiece between the riveting and pressing mechanism and the loading mechanism. However, the way of vertical riveting and forming is cumbersome, and the force control is not flexible enough, which is not suitable for riveting aluminum alloy hollow tubes. Summary of the Utility Model

[0004] The utility model discloses a riveting and pressing device to solve the technical problem that an aluminum alloy hollow tube is easily deformed during riveting.

[0005] To solve the above technical problem, the utility model proposes the following optimized technical solutions:

[0006] A riveting and pressing device includes a rotary drive member, a housing, a slider and two pressing bars. An eccentric shaft is provided on the output shaft of the rotary drive member. The slider is arranged in the housing. An eccentric wheel is provided on the slider. The output shaft passes through the housing so that the eccentric shaft is inserted into the eccentric wheel. The slider is provided with two convex slide rails, and the two convex slide rails are gradually separated from each other from bottom to top. Both of the two pressing bars are provided with concave slide grooves, and the two concave slide grooves are gradually separated from each other from bottom to top. The two concave slide grooves are respectively sleeved on the two convex slide rails. The housing is provided with an upper limit bar and a lower limit bar, and the two pressing bars are arranged between the upper limit bar and the lower limit bar.

[0007] Further, the slider is provided with a slot, and the eccentric wheel is arranged in the slot.

[0008] Further, the top and bottom of the eccentric wheel are both the first horizontal planes, the top and bottom surfaces of the slot are both the second horizontal planes, and the two first horizontal planes respectively correspond to the two second horizontal planes so that the eccentric wheel is snapped into the slot.

[0009] Further, both of the pressing strips are provided with pressing blocks, and both of the pressing blocks are provided with riveting semi-grooves, and the two riveting semi-grooves are combined to form a riveting groove.

[0010] Further, a clamping strip is provided at the bottom of the upper limit strip, and a clamping groove is provided at the top of the pressing strip.

[0011] Further, the slider is provided with a top shaft, and the top shaft is located between the two pressing blocks.

[0012] Further, the lower limit strip is provided with a receiving strip, and the receiving strip is located in front of the pressing strip.

[0013] Further, a receiving groove is provided at the top of the receiving strip.

[0014] The utility model has the following beneficial effects compared with the prior art:

[0015] The riveting device provided by the utility model is provided with a rotary driving member, a housing, a slider and two pressing strips. The eccentric wheel on the rotary driving member can drive the slider to move up and down. Since the slider is provided with two convex slide rails that gradually separate from bottom to top, and the two pressing strips are respectively sleeved on the two convex slide rails through concave slide grooves, when the slider descends, the two pressing strips approach each other in the horizontal direction to rivet the aluminum alloy hollow tube. The horizontal riveting method has more flexible force control and a high qualification rate for riveting the aluminum alloy hollow tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the utility model.

[0017] Figure 2 is the structural explosion of the utility model Figure 1 .

[0018] Figure 3 is the structural explosion of the utility model Figure 2 .

[0019] Figure 4 is a schematic structural diagram of the slider of the utility model.

[0020] In the figure: 1. rotating drive member; 2. housing; 3. slider; 4. pressure strip; 5. output shaft; 6. eccentric shaft; 7. eccentric wheel; 8. raised slide rail; 9. concave slide groove; 10. upper limit strip; 11. lower limit strip; 12. slot; 13. pressure block; 14. clamping strip; 15. clamping slot; 16. top shaft; 17. receiving strip; 18. receiving slot; 19. bicycle brake line. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0022] The riveting device of the present application is mainly used for riveting a bicycle brake line 19 and an aluminum alloy hollow tube, specifically for riveting the aluminum alloy hollow tube onto the bicycle brake line 19 .

[0023] See also Figures 1-4 A riveting device comprises a rotary driving member 1, a shell 2, a slider 3 and two pressure strips 4, the output shaft 5 of the rotary driving member 1 is provided with an eccentric shaft 6, the slider 3 is arranged in the shell 2, the slider 3 is provided with an eccentric wheel 7, the output shaft 5 passes through the shell 2 so that the eccentric shaft 6 is inserted into the eccentric wheel 7, the slider 3 is provided with two raised slide rails 8, the two raised slide rails 8 are gradually separated from each other from bottom to top, the two pressure strips 4 are provided with concave slide grooves 9, the two concave slide grooves 9 are gradually separated from each other from bottom to top, and the two concave slide grooves 9 are respectively sleeved on the two raised slide rails 8, the shell 2 is provided with an upper limit strip 10 and a lower limit strip 11, and the two pressure strips 4 are arranged between the upper limit strip 10 and the lower limit strip 11.

[0024] The working principle of the above technical solution is: the rotating driving part 1 pre-drives the eccentric wheel 7 to make circular motion through the eccentric shaft 6. Under the restriction of the shell 2, the eccentric wheel 7 drives the slider 3 to move up and down. The upper limit bar 10 and the lower limit bar 11 are used to limit the movement of the two pressure strips 4 in the horizontal direction. When the slider 3 moves downward, the two pressure strips 4 approach each other through the two concave slide grooves 9 along the two raised slide rails 8 to rivet the aluminum alloy hollow tube between the two pressure strips 4, so that the aluminum alloy hollow tube is pressed tightly on the bicycle brake line 19.

[0025] It should be noted that the rotary drive member 1 is a motor reducer; the output shaft 5 of the rotary drive member 1 passes through the housing 2 and is connected via a bearing; the output shaft 5 of the rotary drive member 1 is connected to the eccentric shaft 6 via a bearing.

[0026] In this embodiment, the slider 3 is provided with a slot 12, and the eccentric wheel 7 is arranged in the slot 12, that is, the eccentric wheel 7 is detachably installed in the slot 12.

[0027] In this embodiment, the top and bottom of the eccentric wheel 7 are both first horizontal planes, and the top and bottom surfaces of the slot 12 are both second horizontal planes. The two first horizontal planes respectively correspond to the two second horizontal planes to snap the eccentric wheel 7 into the slot 12. Specifically, when the rotary driving member 1 drives the eccentric wheel 7 to perform a circular motion, the eccentric wheel 7 will not slip in the slot 12 of the slider 3, and the eccentric wheel 7 can drive the slider 3 to lift and lower.

[0028] In this embodiment, both of the two pressing strips 4 are provided with pressing blocks 13, and both of the two pressing blocks 13 are provided with riveting half-grooves. The two riveting half-grooves are combined to form a riveting groove. Specifically, the aluminum alloy hollow tube is sleeved on the brake wire, and the aluminum alloy hollow tube is located between the two riveting half-grooves. The two pressing strips 4 approach each other to rivet the aluminum alloy by the two riveting half-grooves, so that the aluminum alloy is formed into the shape of the riveting groove and riveted on the bicycle brake wire 19.

[0029] In this embodiment, the bottom of the upper limit strip 10 is provided with a clamping strip 14, and the top of the pressing strip 4 is provided with a clamping groove 15. When the pressing strip 4 moves horizontally between the upper limit strip 10 and the lower limit strip 11, the clamping strip 14 has a guiding effect on the pressing strip 4, making the pressing strip 4 move more smoothly during the movement.

[0030] In this embodiment, the slider 3 is provided with a top shaft 16, and the top shaft 16 is located between the two pressing blocks 13. The top shaft 16 is used to limit the position of the aluminum alloy hollow tube. Specifically, the aluminum alloy hollow tube is placed in front of the top shaft 16, and at this time the aluminum alloy hollow tube is just located between the two pressing blocks 13.

[0031] In this embodiment, the lower limit strip 11 is provided with a receiving strip 17, and the receiving strip 17 is located in front of the pressing strip 4. The receiving strip 17 is used to carry the bicycle brake wire 19, facilitating the aluminum alloy hollow tube sleeved on the bicycle brake wire 19 to be placed in front of the top shaft 16.

[0032] In this embodiment, the top of the receiving strip 17 is provided with a receiving groove 18. This receiving groove 18 is used for the bicycle brake wire 19 to be placed therein to prevent the bicycle brake wire 19 from falling off.

[0033] The above are only specific embodiments of the present utility model, enabling those skilled in the art to understand or implement the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to these embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A riveting device, characterized in that: It includes a rotating drive member, a shell, a slider and two pressure strips, the output shaft of the rotating drive member is provided with an eccentric shaft, the slider is arranged in the shell, the slider is provided with an eccentric wheel, the output shaft passes through the shell so that the eccentric shaft is inserted into the eccentric wheel, the slider is provided with two raised slide rails, the two raised slide rails are gradually separated from each other from bottom to top, the two pressure strips are provided with concave slide grooves, the two concave slide grooves are gradually separated from each other from bottom to top, the two concave slide grooves are respectively sleeved on the two raised slide rails, the shell is provided with an upper limit strip and a lower limit strip, and the two pressure strips are arranged between the upper limit strip and the lower limit strip.

2. A riveting device according to claim 1, characterized in that: The sliding block is provided with a slot, and the eccentric wheel is arranged in the slot.

3. A riveting device according to claim 2, characterized in that: The top and bottom of the eccentric wheel are both first horizontal planes, the top surface and bottom surface of the slot are both second horizontal planes, and the two first horizontal planes correspond to the two second horizontal planes respectively so that the eccentric wheel is stuck in the slot.

4. A riveting device according to claim 1, characterized in that: The two pressure strips are both provided with pressure blocks, the two pressure blocks are both provided with riveting half grooves, and the two riveting half grooves are combined to form a riveting groove.

5. A riveting device according to claim 1, characterized in that: A clamping strip is provided at the bottom of the upper limit strip, and a clamping groove is provided at the top of the pressure strip.

6. A riveting device according to claim 4, characterized in that: The sliding block is provided with a top shaft, and the top shaft is located between the two pressing blocks.

7. A riveting device according to claim 1, characterized in that: The lower limit strip is provided with a receiving strip, and the receiving strip is located in front of the pressure strip.

8. A riveting device according to claim 7, characterized in that: A receiving groove is provided on the top of the receiving strip.

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